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1. To select desired parameter press Current encoder 2 2 To Select the Address Press REM button The LED is illuminated Adr appears on Current display Press Current Encoder Existing address mode appears on Current display Turn Current Encoder until desired address appears To select desired address press Current encoder 2 3 To Select the Baud Rate 57600 485 Interface only Press REM button The LED is illuminated MEF appears on Voltage display Turn Voltage Encoder until bud message appears on Current display Press Current Encoder Existing Baud Rate appears on Current display Turn Current Encoder until 5 1600 appears To select desired Baud Rate press Current encoder 2 4 To Select the Communication Language SCPI 485 interface only Press REM button The LED is illuminated MEF appears on Voltage display Turn Voltage Encoder until AnaL message appears on Current display Press Current Encoder Existing Language appears on Current display Turn Current Encoder until SCF appears To select desired Language press Current encoder at For more information refer to section 4 of Z series User Manual NOTE The power supply must be recycled bofore initiating IEEE communication intreface NOTE When new unit added to Multidrop chain connection the Master unit IEEE controller must be recycled TDK Lambda CHAPTER 4 PROGRAMMING COMMANDS Communication over the GPIB interface meets IEEE 4882. This section provides basic information about your instrument such as Primary Address PAD 3 In the right window click on Instrumento and review the device properties Refer to Fig 5 2 Instrument 0 Measurement amp Automation Explorer File Edit view Tools Help E EY My System o E E Data Neighborhood ey Devices and Interfaces lb GPIBO PCI GPIB a Network Devices PX PXI System Unidentified Serial amp Parallel H a Scales H 6 Software E Py IVI Drivers E gy Remote Systems H Communicate with Instrument m Interactive Control a NI Spy Name Value Primary Address 7 Secondary Address None Identification LAMBDA 2PL10 20 00000 000000 1 011 IEEE 0 002 34 GPIB Interface ID 0 Eo Attributes Sf VISA Properties Fig 5 2 Instrument Properties 14 gt Hide Help Z Back ra v v w GPIB Instrumen Settings This section provides basic information about your instrument such as Primary Address PAD m m m d m e TDK Lambda 4 Click Communicate with Instrument in the GPIB Explorer toolbar NI 488 2 Communicator appears Refer to Fig 5 3 NI 488 2 Communicator SPIBO Instrument O Primary Address 7 Semel Sirina TDK lobals maera eres berr None ibenth 47 Configured String Received TORK LAMBDA2100 2 2212087 0001 1 011 lEEE 0 002 Configure EOS Show Sample Fig 5 3 ID String Query Status ERR Tiki END SROI ROS MPL LOK REM CI
3. 2 standards and is Standard Commands for Programmable Instrumentation SCPI compliant 4 1 SCPI Protocol Refer to section 7 10 of Z series User Manual 4 2 SCPI Common Commands Common commands are used to control instrument status registers status reporting synchronization data storage and other common functions SCPI Command Description gs Clear status ESE lt NR1 gt Standard event status enable ESE Return standard event status enable ESR Return event status register IDN Return instrument identification string OPC Set operation complete bit in ESR OPC Return a 1 when operation command complete OPT Return option number PSC 1 0 Power ON status enable 1 disable 0 PSG Power ON status clear RCL 1 2 3 4 RST SAV 1 2 314 Recalls a saved instrument state Reset Saves an instrument state SRE lt NR1 gt Set service request enable register SRE Return service request enable register STB Return status byte TRG Trigger For more information refer to section 7 11 of Z series User Manual TDK Lambda 4 3 SCPI Subsystem Commands Subsystem commands control all Z functions For a full command description refer to section 7 12 in Z series User Manual Short list of Z series commands SCPI Command ABORt DISPlay WINDow STATe lt bool gt WINDow FLASh lt bool gt GLOBal CURRent AMPLitude lt NRf gt VOLTage AMPLitude lt NRf gt OUTPut STATe l
4. 129 0900 E mail info italia it tdk lambda com www it tdk lambda com ISRAEL TDK Lambda Ltd Sales Office Kibbutz Givat Hashlosha Tel Aviv 4880000 Israel Tel 972 3 9024 333 Fax 972 3 9024 777 Plant 56 Haharoshet St Karmiel Industrial Zone 2165158 Israel Tel 972 4 9887 491 Fax 972 4 9583 071 www tdk lambda co il E mail info tdk lambda co il Innovating Reliable Power TDkK Lambda JAPAN TDK Lambda Corporation International Sales Divison Nittetsu Bldg 6F 1 13 1 Nihonbashi Chuo ku Tokyo 103 0027 Japan Tel 81 3 5201 7175 Fax 81 3 5201 7287 www tdk lambda com CHINA Shanghai Branch of Wuxi TDK Lambda Electronic Co Ltd 28F Xingyuan Technology Building No 418 Guiping Road Shanghai China 200233 Tel 86 21 6485 0777 Fax 86 21 6485 0666 www cn tdk lambda com Beijing Branch of Wuxi TDK Lambda Electronic Co Ltd Room 12B11 12B12 Unit 7 DACHENG SQUARE No 28 Xuanwumenxi Street Xuanwu District Beijing 100053 CHINA Tel 86 10 6310 4872 Fax 86 10 6310 4874 www cn tdk lambda com Shenzhen Branch of Wuxi TDK Lambda Electronics Co Lid Room 4302 Excellence Times Square Building 4068 Yi Tian Road Futian District Shenzhen China 518048 Tel 86 755 83588261 Fax 86 755 83588260 www cn tdk lambda com TDK Lambda Corporation Seoul Office 8F Songnam Bldg 1358 6 Seocho Dong Seocho Gu Seoul 137 862 KOREA Tel 82 2 3473 7051 Fax 82 2 3472 9137 www tdk lambda co k
5. 13 Reads the source of the SRQ in Logical Z Supplies 14 through 27 Reads the source of the SRQ in Logical Z Supplies 28 through 30 Enable supplies to cause IEEE SRQ in Logical Z Supplies 0 through 13 Enable supplies to cause IEEE SRQ in Logical Z Supplies 14 through 27 Enable supplies to cause IEEE SRQ in Logical Z Supplies 28 through 30 Read which supplies can cause IEEE SRQ in Logical Z Supplies 0 through 13 Read which supplies can cause IEEE SRQ in Logical Z Supplies 14 through 27 Read which supplies can cause IEEE SRQ in Logical Z Supplies 28 through 30 10 _ TDK Lambda 4 5 Output Queue Refer to section 9 6 16 of Z series User Manual 4 6 Error Messages Refer to section 9 6 17 of Z series User Manual 4 7 Execution Time Command execution time except for CLS 150mS is less than 15 milliseconds INST NSEL 06 11 millisecond OUTP STAT ON 12 millisecond VOLT 15 10 millisecond WAVE TIME 1 1 1 1 1 1 1 1 1 1 1 1 14 millisecond Query execution time is between 20 50 milliseconds Response is dependent upon string length WAVE VOLT 45 millisecond SYST ERR 22 millisecond IDN 38 millisecond INST NSEL 20 millisecond It is required that the user adds a delay after a command before sending any further messages Refer to Table 4 2 ADDRESSED COMMAND QUERY 10 milliseconds GLOBAL COMMAND 20 milliseconds Table 4 2 Addition of Delay 11 TDK Lambda 4 8 Registe
6. C ATH TACS LATS DTAS DAS 5 Inthe Send String box IDN appears Click Query The ID string indicates the model serial number firmware version and the GPIB card firmware version This will be shown in the text box below String Received Refer to Fig 5 3 15 NOTES GLOBAL NETWORK NORTH AMERICA TDK Lambda Americas Inc 3055 Del Sol Boulevard San Diego CA 92154 U S A Tel 1 619 575 4400 Fax 1 619 575 7185 www us tdk lambda com p TDK Lambda UK Ltd Kingsley Avenue Ilfracombe Devon EX 34 8ES United Kingdom Tel 44 1271 856666 Fax 44 1271 864894 E mail powersolutions uk tdk lambda com www uk tdk lambda com FRANCE TDK Lambda France SAS ZAC des Delaches BP 1077 Gometz le Chatel 91940 LES ULIS Tel 33 1 60 12 71 65 Fax 33 1 60 12 71 66 E mail france fr tdk lambda com www fr tdk lambda com GERMANY TDK Lambda Germany GmbH Karl Bold Str 40 D 77855 Achern Germany Tel 49 7841 666 0 Fax 49 7841 500 0 E mail info germany de tdk lambda com www de tdk lambda com AUSTRIA TDK Lambda Austria Sales Office Aredstrasse 22 A 2544 Leobersdorf Austria Tel 43 2256 65584 Fax 43 2256 64512 E mail info germany de tdk lambda com www de tdk lambda com ITALY TDK Lambda Italy Sales Office Via dei Lavoratori 128 130 IT20092 Cinisello Balsamo Milano Italy Tel 89 02 6129 3863 Fax 39 02 6
7. K Lambda CHAPTER 3 CONFIGURATION 3 1 Configuration the IEEE Controller A typical IEEE controller is a personal computer with an IEEE interface card Each card vendor supplies its own configuration instructions and interface software Each time the software is executed the controller is configured as follows Controller Address Power Supply address Serial bus Baud Rate 57600 SCPI protocol EOI Flag TRUE The End or Identify is a control line in the IEEE cable that is initiated when the last character of a message String is sent It is not supported by this interface EOS Flag FALSE The End of String used in some instruments to indicate the last character of a message It is required for this interface Fig 3 1 Front Panel Fig 3 2 Rear Panel AC ON OFF Switch REM LED Buttom Voltage Encoder Voltage Display Current Encoder Current Display RS 232 RS 485 INPUT Remote Serial Programming RS 485 OUTPUT to other Z Power Supplies CON DU BWHN gt TDK Lambda 3 2 Configuration the Power Supply Refer to Fig 3 1 3 1 2 3 4 3 1 2 3 4 W VAUN gt Uy Wm BWN gt 2 1 To Select the Communication Interface Press REM button The LED is illuminated MEF appears on Voltage display Press Voltage Encoder Existing communication mode appears on Current display Turn Current Encoder until desired message appears i EEE for unit with IEEE option or 485
8. QUES INST ISUM2 ENAB LSB Event Enable To Instrument Summary in ISUM 1 STAT QUES INST ISUM1 STAT QUES INST ISUM1 ENAB nn STAT QUES INST ISUM1 ENAB Fig 4 2 Instrument Summary Register Tree for Multi Drop Mode 13 TDK Lambda CHAPTER 5 COMMUNICATION EXAMPLE This section provides an example the National Instruments MAX program to communicate with the Z 1 Run National Instruments MAX Measurement amp Automation Explorer program 9 Paes inset SEOICOTUOLD 2 Select Devices and Interfaces gt GPIBO press Scan for Instruments Refer to Fig 5 1 X GPIBO PCI GPIB Measurement amp Automation Explorer File Edit Yiew Tools Help bed Save pA Revert pS Restore Defaults x l Scan for Instruments S Interactive Control GPIB Interface Properties gy My System E a Data Neighborhood g gy Devices and Interfaces S EB GPIBO PCI GPIB 9 Instrument 0 Name value Ei Interface Information a Network Devices GPIB Hardware Model PCI GPIB a PXI PXI System Unidentified Serial Number o0Ac4094 E Serial amp Parallel IP Address K a sce EA General Settings ys kak Connected Instruments Ry IVI Drivers lt Q Remote Systems Instrument SAD Identification Instrument 0 None LAMBDA ZPL10 20 00000 000000 1 011 IEEE 0 002 Not Applicable giu E Properties Fig 5 1 Scanning for Instrument aly Y Hide Help FA Back BS v v A GPIB Instrumen Settings
9. Rf gt TRIGger lt NRf gt PROTection LEVel lt NRf gt LOW STATe UVP UVL LEVel lt NRf gt MODE NONE FIX LIST WAVE LIST COUNt 0 9999 Inf CURRent lt NRf gt LOAD 1 2 3 4 STEP ONCE AUTO STORe 1 2 3 4 DWELI lt NRf gt VOLTage lt NRf gt WAVE COUNt 1 9999 Inf CURRent lt NRf gt LOAD 1 2 3 4 STEP ONCE AUTO STORe 1 2 3 4 TIME lt NRf gt VOLTage lt NRf gt STATus OPERation EVENt CONDition ENABIe lt NR1 gt QUEStionable EVENt CONDition ENABle lt NR1 gt TDK Lambda Set the output current Set the triggered output current Select arbitrary trigger control mode Set the output voltage Set the triggered output voltage Set over voltage protection level Set under voltage limit or protection mode Set under voltage level Select arbitrary control mode Set number of time execution Set output current points Load stored LIST program from memory Set trigger depends execution step Store LIST program in memory Set time interval Set output voltage points Set number of time execution Set output current points Load stored WAVE program from memory Set trigger depends execution step Store WAVE program in memory Set slope time Set output voltage points Returns the value of the Event register Returns the value of the Condition register Enables specific bits in the Enable register Returns the value of the Even
10. cossossseee 14 TDK Lambda INTRODUCTION The internal factory installed General Purpose Interface Bus GPIB allows operation of the Z Power Supply from a computer via IEEE 488 The interface allows the user complete remote control of the Power Supply including output voltage and current setting and monitoring protection setting trigger waveform list operation Power Supply status and SRQ reporting Communication over the GPIB interface meets IEEE 488 2 standards for Programmable Instrumentation SCPI compliant SCOPE OF MANUAL This manual contains the information needed to operate the optional embedded IEEE GPIB Interface used in the Power Supply It includes the following e A general description of the GPIB e Connection e Configuration e Listing and description of SCPI command e Communication Example CHAPTER 1 THE IEEE 488 2 INTERFACE The IEEE 488 digital programming interface also called the GPIB interface is a popular way to connect instruments to a computer It uses a specialized 24 pin cable with connectors that allow cables to be stacked together There are eight data wires eight control wires and eight ground wires If the system runs from a personal computer there are numerous vendors of IEEE controller cards and software The IEEE 488 standard has gone through several upgrades The IEEE 488 1 focused on the handshaking of the eight control lines The IEEE 488 2 added status registers inside each in
11. ee 5 3 2 Configuration the Power Supply sss ssssessssesssesssseesseeesseeesseesssesosseossecesseeosseesssesssseonserosserosseessss 6 3 2 1 To Select the Communication Interface un cccssssssssesssssssssssssssssssssseseesssssssssssssssesssssesssssssssssssesessssesssssessssen 6 DDD MO Sele CS CS ay apts dtorntarsenpniricrniumait EE EE 6 3 2 3 To Select the Baud Rate 57600 485 Interface OMMy ssssssssssssssssssssesescesessssssssessesssssssssssssesssssesesees 6 3 2 4 To Select the Communication Language SCPI 485 interface Only ecsssssssssssssssssssssseesseee 6 CHAPTER 4 PROGRAMMING COMMANDS ccccsscscccccccccccccccccccccccccesssssssssssssccecs 7 AI PUI GO sirsiran EENE ET NEE 7 4 2 SCPI COMMON COMMANA S wissiena rinri kenisa rr AK SE AEE rE EEr E AREENA D RS inin 7 4 3 SCPI Subsystem COMMANAG ccccscscsssecsssssesscessssecsssssesseessesscessssscsesssecscassesscsessseesesesecseaesesscsees 8 4 4 The Summary Registers se sseesseesseesseesseesssesssesssesssesssesssesssesssessseosseosseosseosseosseosseosseosseesseesseesseees 10 4 5 Output QUEUE geass cys couev edn vetus saves ersuepadesersatvevaviacaies yorssenees pei easasurirestoaer gieesteeteenetieienees 11 4O TEEVOR WIGS SAC CS sesira ra abrenar E AEREA E ERE O EENAA 11 A EKE CUON TU aean A EE R EE A 11 AB Register St UCT ING serari aiiai Eaten a eei EEEN E AAE iNET aeniea ni 12 CHAPTER 5 COMMUNICATION EXAMPLE seseceecsossssescccccosoosescececesososssccccc
12. oP E Series Programmable DC Power Supplies 200W 400W 600W S800W in 2U Built in USB RS 232 amp RS 485 Interface TDK Lambda USER MANUAL FOR IEEE Programming Interface lt gt POWER SUPPLIES Manual Supplement Refer to the Z Technical Manual for information on installing the power supply safety requirements specifications operating the front panel using the serial RS 232 485 USB programming and the analog programming IA710 04 03E Table of Contents INTRODUCTION sississvesscesscasssssassistnctesastsiecackesuenect tnssestnassnensccuasaatianesseissvnsenatanasseiansinan 3 SCOPE OF MANUAL ccsciscsssncsicudsxyesscescucanencevev cess vesesenssnstcncssosnavevessvecsoavsbaviueuseevseoessenvauen 3 CHAPTER 1 THE IEEE 488 2 INTERFACE cssssssscccccccrsssssssssccccccccccsssscscecccccsseees 3 CHAPTER 2 CONNECTION scctsisssisecisescecessaccsestasisnceveecedeeseastssntantacsetatscstaniuervesessneseeeseses 4 2 NPO FOIN eea ere te E EE A O E EE EE EEE E 4 ANADO D e E N N A 4 2 2 1 Selecting One Power Supply in a Multi Drop Chain sescsesscsssseesssssssessssecsesseseesssssnsesseseesssseesessse 4 23 Communication CaDlESssrisaisaiasriyrerendEr arin E ania TEENA O NEEESE EENEN 4 CHAPTER 3 CONFIGURATION wissssscssscextansiccenesiecesedcstevenseosssevewscerenenetesanenstonveseeeaeeesss 5 3 1 Configuration the IEEE Controller ssessseesseesseessecesecsseceseceseceseeesseesseesseesseesseroseesseesseessersseesse
13. r SINGAPORE TDK Lambda Singapore Pte Ltd Blk 1008 Toa Payoh North 07 01 03 Singapore 318996 Tel 65 6251 7211 Fax 65 6250 9171 www tdk lambda com sg TDK Lambda Bangalore Office 526 Ground Floor 10th Main 7th Cross Jeevanbhimanagar Bangalore 560 075 Karnataka India Tel 91 80 43550 550 Fax 91 80 43550 501 www tdk lambda com sg MALAYSIA TDK Lambda Malaysia Sdn Bhd c o TDK Malaysia Sdn Bhd Lot 709 Nilai Industrial Estate 71800 Nilai Negeri Sembilan Malaysia Tel 60 6 799 1130 Fax 60 6 799 3277 www tdk lambda com my iT DIK TDK Lambda EMEA www emea tdk lambda com IA710 04 03E AD0614
14. r Structure LSB Not used AC Fail f Over Temperature 3 Foldback tripped i Over Voltage Protection Shut Off Output Off Interlock Under Voltage Protectio Not used Internal Input Overflow Internal Overflow Internal Time Out Internal Comm Error Not used Not used MSB STAT QUES COND Questionable Condition Fault Register Condition Enable Event i E m m oe lt ge i O lt 3 oe Olo Bg 1 Olo AG oe Z 2 505 lt OJO U O 34 2 2 cls 2 4 77 lt Z oOlolo U Q O i Q O _ 2 C I IT AMAAAMAAAL AALS STAT QUES ENAB nnnn STAT QUES ENAB FLT FENA nnnn FEVE FENA Output Queue MIETS s A clel L Standard Event Status LSB Condition Enable Operation Complite Not Used Query Error Device Depandant Error Execution Error Command Error N a ul gt w N Lam oO User Request Power On n wo LSB 0 Constant Voltage Constant Current No Fault N m w alFlolo S wae a Trigger Wait Auto Start Enabled Foldback Enable List Step Complite Lockal Remote UVP enabled Interlock enable Reserved Current Foldback mode Analog Voltage Channel Analog Current Channel List Step Active Reserved MSB STAT OPER COND STAT OPER ENAB STAT OPER EVEN _ lt U m O ele _ m o x o m m Zi CME A ESR ESE nn ESE Operational Condition Statu
15. rface to a Power Supply with the installed IEEE option Refer to Fig 2 2 The Power Supply connected to a PC via the GPIB cable must be configured for an IEEE communication interface the other must be configured for a RS485 interface Each unit must have a unique address ranging from 01 to 31 IEEE module gets the address of the unit into which it is installed For RS485 interface set Baud rate at 5 1600 bps and Communication Language to SLFi 2 2 1 Selecting One Power Supply in a Multi Drop Chain All the SCPI commands may be sent to any one of the Power Supplies in an RS 485 chain by first sending the INST nSEL address command All commands and queries will then apply only to the selected Power Supply until a new INST nSEL is sent At power up the IEEE master Power Supply is automatically the one selected After sending INST nSEL it is recommended that you verify the command by sending INST nSEL otherwise the following commands may be sent to the wrong Power Supply IEEE IEEE CABLE ABLE coil PC HOST PO HOST R5455 link cable _ R S234455 in R5455 link cable REZA in J RS232 485 in R5485 out Fig 2 1 Point To Point Connection Fig 2 2 Multi Drop Connection 2 3 Communication Cables e GPIB cable Use standard IEEE 488 26 AWG GPIB cable up to 3 meters in length e RS485 link cable Use serial link cable with RJ 45 shielded connectors P N GEN RJ45 Refer to Z Series User Manual Fig 7 8 TD
16. s Register Condition Enable Event j p gt op od l o zZ TIOJ Cn 0j ojm O m O m O T wW z ele _ a Ti wW zle gt lt U gt lt U gt O U oj m G Slo m ele CIT ujo mIo O U STAT OPER ENAB nnnn STAT SENA nnnn SEVE SENA STAT QUES EVEN Syst Err Queue SYST ERR Command Error Cnn Execution Error Enn GEN Language select Service Request Enable Staus byte Busy System Error Questionable Summary Message Available Standard Event Summary Operation Summary ele olg m lt lt A STB SRE nn SRE H n Ww ys n Q YO _ _ _ _ Service Request To Instrument Summary register IEEE gt Positive Logic 0 No Event 1 Event Occured Fig 4 1 Status Register and SRQ Tree TDK Lambda LSB Event m l em D SRQ31 p p pa _ _ ISUM 3 10 pa p _ _ am YO oo _ MSB STAT QUES INST ISUM3 STAT QUES INST ISUM3 ENAB nn STAT QUES INST ISUM3 ENAB LSB Event ISUM 5 SRQ16 m l a _ _ _ eg D mn le SRQ17 SRQ18 _ SRQ19 _ SRQ20 _ SRQ21 _ SRQ22 SRQ23 _ SRQ24 ISUM 2 10 1 SRQ25 _ SRQ26 p 12 SRQ27 p 13 SRQ28 _ 14 SRQ29 _ 15 SRQ30 _ MSB STAT QUES INST ISUM2 STAT QUES INST ISUM2 ENAB nn STAT
17. strument and it added common commands to make programming groups of instruments easier The latest specification SCPI adds guidelines for the command syntax so one vendor s Power Supply will use the same commands as another s The Interface follows all of these standards Because many instruments may be connected and independently controlled by a single IEEE controller each instrument must have a unique address The IEEE controller automatically sets its address equal to the Power Supply address For complete and specific information refer to the following documents ANSI IEEE Std 488 1 1987 IEEE Standard Digital Interface for Programmable Instrumentation and ANSI IEEE Std 488 2 1987 IEEE Standard Codes Formats Protocols and Common Commands TDK Lambda CHAPTER 2 CONNECTION This section provides information on variable IEEE GPIB connection modes communication cables and selecting communication parameters for operation via IEEE GPIB interface It is possible connect to IEEE GPIB interface in two ways 2 1 Point to Point One IEEE Interface can control only one Z Power Supply Refer to Fig 2 1 Each Power Supply must be configured for IEEE communication interface Each unit must have a unique address ranging from 01 to 31 Baud rate and address are automatically fixed to 5 1600 and 5L Fi 2 2 Multi Drop One IEEE Interface can control more than one Z Power Supply A maximum of 30 Z units can be connected via RS485 inte
18. t bool gt RCL 1 2 3 4 RST SAV 1 2 3 4 INITiate MMediate CONTinuous lt bool gt INSTrument COUPIe ALLINONE NSELect lt NRf gt MEASure CURRent DC VOLTage DC POWer DC OUTPut STATe lt bool gt PON STATe lt bool gt PROTection CLEar FOLDback MODE OFF CC CV DELay lt NRf gt ILC MODE lt bool gt TTLTrg MODE OFF FSTR TRIG RELay 1 2 STATe lt bool gt MODE Description Aborts the triggered action Display ON OFF Display Flash Set the output current for all power supplies Set the output voltage for all power supplies Enables disables the all power supplies output Recall setting for all power supplies Reset all power supplies Save settings for all power supplies Trigger initiate Enable disable continuously trigger Couple for all Z power supplies Select the power supply for communication Returns the measured output current Returns the measured output voltage Returns the measured output power Enables disable the supply output Programs the Power ON state Resets latched protection Set operation protection mode Set protection delay Enables disable analog output ON OFF control Set output trigger mode Set control pins status Returns the operation mode CV CC OFF 8 SOURce CURRent LEVel IMMediate AMPLitude lt NRf gt TRIGger lt NRf gt MODE NONE FIX LIST WAVE VOLTage LEVel MMediate AMPLitude lt N
19. t register Returns the value of the Condition register Enables specific bits in the Enable register TDK Lambda SYSTem ERRor ENABle ERRor LANGuage GEN REMote STATe LOC REM LLO VERSion DATE PON TIME TRIGger STARt DELay lt NRf gt SOURce EXTernal BUS Enable error message Read system error messages Set communication language Set the remote local state Returns software revision Returns calibration date Response time from last reset Run trigger Set input trigger delay Set input trigger source NOTE Command query is available 4 4 The Summary Registers The INSTRUMENT SUMMARY EVENT REGISTER ISUM1 through ISUM3 Refer to Fig 4 2 will record the address of the supply causing an SRQ These are EVENT registers and the bits will remain set until read by the STAT QUES INST ISUMn command Refer to Table 4 1 Command STATus QUEStionable INSTrument SUMmary1 STATus QUEStionable INSTrument SUMmary2 STATus QUEStionable INSTrument SUMmary3 STATus QUEStionable INSTrument SUMmary1 ENABle xx STATus QUEStionable INSTrument SUMmary2 ENABle xx STATus QUEStionable INSTrument SUMmary3 ENABle xx STATus QUEStionable INSTrument ISUMmary1 ENABle STATus QUEStionable INSTrument ISUMmary2 ENABle STATus QUEStionable INSTrument ISUMmary3 ENABle Table 4 1 ISUM commands Reads the source of the SRQ in Logical Z Supplies 0 through
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